Pith Number

pith:4VSWBQUP

pith:2026:4VSWBQUPAKHDXF2FHLVQRS2O4F

not attested not anchored not stored refs pending

Dynamical Systems in Cosmology: Reviewing An Alternative Approach

L. Arturo Ure\~na-L\'opez, Nandan Roy

arxiv:2603.24568 v2 · 2026-03-25 · astro-ph.CO · gr-qc

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4VSWBQUPAKHDXF2FHLVQRS2O4F}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-27T01:05:53.502996Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e56560c28f028e3b97453aeb08cb4ee170a1f659b0f38d42c3ac677c7e135ad0

Aliases

arxiv: 2603.24568 · arxiv_version: 2603.24568v2 · doi: 10.48550/arxiv.2603.24568 · pith_short_12: 4VSWBQUPAKHD · pith_short_16: 4VSWBQUPAKHDXF2F · pith_short_8: 4VSWBQUP

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/4VSWBQUPAKHDXF2FHLVQRS2O4F \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: e56560c28f028e3b97453aeb08cb4ee170a1f659b0f38d42c3ac677c7e135ad0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a0912227d41406e9d6480fac76c9597c2cc48ae9f1911ad5455dbbb832ee1e1",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2026-03-25T17:45:10Z",
    "title_canon_sha256": "817a2c5f5ef5e54e55ab92b947672ce3d05d16dab2373f056ea112119e3ad1a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.24568",
    "kind": "arxiv",
    "version": 2
  }
}